13478049024 has 144 divisors (see below), whose sum is σ = 39197706240. Its totient is φ = 4077434880.

The previous prime is 13478049007. The next prime is 13478049029. The reversal of 13478049024 is 42094087431.

It is a Cunningham number, because it is equal to 116095²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13478049029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7661457 + ... + 7663215.

Almost surely, 2^13478049024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13478049024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19598853120).

13478049024 is an abundant number, since it is smaller than the sum of its proper divisors (25719657216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13478049024 is a wasteful number, since it uses less digits than its factorization.

13478049024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 13478049024 in words is "thirteen billion, four hundred seventy-eight million, forty-nine thousand, twenty-four".